CN1329683C - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN1329683C CN1329683C CNB2003101141418A CN200310114141A CN1329683C CN 1329683 C CN1329683 C CN 1329683C CN B2003101141418 A CNB2003101141418 A CN B2003101141418A CN 200310114141 A CN200310114141 A CN 200310114141A CN 1329683 C CN1329683 C CN 1329683C
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- magnetic
- valve
- cover
- solenoid
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 13
- 230000002687 intercalation Effects 0.000 claims description 6
- 238000009830 intercalation Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- 238000010292 electrical insulation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 17
- 230000014509 gene expression Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
A solenoid valve comprises: a valve section having a valve member which comes into contact and separates from a valve seat to switch passages and a solenoid portion for driving the valve member, and is characterized in that the solenoid portion includes: a fixed core, a bobbin around which a coil is wound, a cylindrical magnetic cover constituting an outer profile of the solenoid portion, a magnetic plate and a moving core. An electrical insulation film is formed on an inner surface or both inner and outer surfaces of the magnetic cover.
Description
Technical field
Even the coil that the present invention relates to solenoid valve not used is implemented the solenoid valve that insulation processing also can be guaranteed the insulating properties of solenoid valve easily.
Background technique
Solenoid valve has valve portion and solenoid part, this valve portion have by with valve body in the joint of valve seat separate the valve member that switches stream, this solenoid part above-mentioned valve member to connect with respect to above-mentioned valve seat from direction drive, in above-mentioned solenoid valve, usually, the coil of above-mentioned solenoid part is after being wound on magnetic wire on the coil carrier, integratedly by resin-sealed or carry out insulation processing by resin strip, the number of working processes is counted problems such as increase when for this reason, having outer deformation Datong District of solenoid valve.In addition, on the magnetic cover, carry out the surface treatment of anti-corrosion usefulness.
Technical task of the present invention is that even provide the coil of solenoid valve not being used to implement the insulating properties that insulation processing also can be guaranteed solenoid valve easily, profile is constant big, the solenoid valve that the number of working processes number is few.
Another technical task of the present invention is, provides the insulation processing that can effectively utilize the magnetic cover also can save the surface-treated solenoid valve of the anti-corrosion usefulness of magnetic cover.
In order to solve above-mentioned problem, solenoid valve of the present invention has valve portion and solenoid part, above-mentioned valve portion has with respect to valve seat and connects from the valve member that switches stream, above-mentioned solenoid part drives above-mentioned valve member, above-mentioned solenoid part has: the fixed magnetic pole member, on periphery, the reeled coil carrier of coil, surround this coil around and constitute the magnetic cover of tubular of the gabarit of solenoid part, the magnetic sheet that in this magnetic cover, is adjacent to be provided with above-mentioned coil carrier, the intercalation of free sliding ground is in the center hole that connects this magnetic sheet and above-mentioned coil carrier and be adsorbed on movable core on the said fixing pole pieces, it is characterized in that, be coated with the electric insulation overlay film integratedly on the inner face at least in the inside and outside two sides of above-mentioned magnetic cover.
In the present invention, above-mentioned electric insulation overlay film is formed by any method to above-mentioned magnetic cover coating epoxy resin, spraying plating fluororesin, coating pottery, vacuum evaporation (CVD) electro insulating material.
According to a specific embodiment of the present invention, the said fixing pole pieces is a distolateral fixed iron core that embeds and be fixed on above-mentioned coil carrier, in addition, above-mentioned magnetic cover is made tubular, have integratedly and the said fixing occlusive part that contacts unshakable in one's determination in that its axial direction one is distolateral, distolaterally have an opening portion at another.
According to another specific embodiment of the present invention, above-mentioned magnetic cover is made of the cover of the tubular that has opening portion in both sides and the magnetic lid of inaccessible one side opening portion, in addition, the said fixing pole pieces is fixed on above-mentioned magnetic and covers and insert in the center hole of above-mentioned coil carrier.
According to another specific embodiment of the present invention, above-mentioned magnetic cover is made of the tubular cover that has opening portion at axial two ends and the magnetic lid of inaccessible one side opening portion, this magnetic lid has the wall thickness bigger than the thickness of above-mentioned tubular cover, the double said fixing pole pieces of doing.
In the present invention, preferably above-mentioned magnetic cover, with the surface of contact of the member that constitutes magnetic loop or mating face on have the non-formation of the overlay film that does not form above-mentioned insulating coating portion.
According to a preferred embodiment of the invention, the section configuration of the center hole of above-mentioned coil carrier and magnetic sheet and the section configuration of above-mentioned movable core are made oblong shape or elliptical shape respectively.
Description of drawings
Fig. 1 is an embodiment's of an expression solenoid valve of the present invention sectional view, and the left-half of valve portion and solenoid part represents that right half part is represented the state to the solenoid part energising not to the state of solenoid part energising.
Fig. 2 is the sectional arrangement drawing of the foregoing description.
Fig. 3 is the fragmentary top pseudosection of the foregoing description.
Fig. 4 is the sectional view of the major component on the position different with Fig. 1 of the foregoing description (position shown in IV-IV of Fig. 5).
Fig. 5 is the locational local longitudinal sectional drawing different with Fig. 2 of the foregoing description.
Fig. 6 is the fragmentary top pseudosection on the position different with Fig. 3 (position shown in VI-VI of Fig. 5) of the foregoing description.
Fig. 7 is the exploded perspective view of the formation of the solenoid part in expression the foregoing description.
Fig. 8 is another embodiment's of an expression solenoid valve of the present invention sectional side view, and the left-half of valve portion and solenoid part represents that right half part is represented the state to the solenoid part energising not to the state of solenoid part energising.
Fig. 9 is the exploded perspective view of the formation of the solenoid part in expression the foregoing description.
Figure 10 is another embodiment's of an expression solenoid valve of the present invention sectional side view, and the left-half of valve portion and solenoid part represents that right half part is represented the state to the solenoid part energising not to the state of solenoid part energising.
Embodiment
Fig. 1～Fig. 7 represents the 1st embodiment of solenoid valve of the present invention, this solenoid valve is roughly said, comprises that constituting 3 leads to the valve portion 1 of valves (3 Port-ト man's cap used in ancient times) and the solenoid part 2 of actuating valve portion 1, and, set up the terminal frame 3 that is used for to above-mentioned solenoid part 2 energisings along their outside.
Above-mentioned valve body 12 has around this valve body and at the above-mentioned stream 14 of the position upper shed that is communicated with inlet opening P, the part that makes pressing plate 19 sides is than the part pathization that this stream 14 is set, and intercalation is in the valve body receiving portion 19a of the tubular of this pressing plate 19.The other end of above-mentioned stream 14, to supply valve seat 15 inner openings relative with valve member 20, and valve chamber 11 inner faces between, at the both sides of this stream 14 configuration sealing component 13a, 13b and seal herein, under its sealed state, valve opening axially on accommodate valve body 12 movably.Have, the space between valve body 12 and the pressing plate 19 is opened to the outside by ventilating hole 19b again.
Above-mentioned valve body 12 is to the moving range of valve member 20 sides, and the retainer 21 that is formed in valve chamber 11 limits.This retainer 21 is arranged on to make supplies with valve seat 15 near being in and valve member 20 of discharging valve seat 16 position contacting and the position that it is stopped owing to switching on to solenoid part 2.
In addition, above-mentioned valve body 12, the 1st fluid pressure acting surface 17 and the 2nd fluid pressure acting surface 18 with the fluid pressure effect the stream 14 that flows into from inlet opening P, the 1st fluid presses acting surface 17 to produce the active force that pushes valve body 12 to the direction of valve member 20, and the 2nd fluid is pressed the active force of acting surface 18 generations to the direction pushing valve body 12 opposite with it.It is bigger than the fluid pressure effect useful area of above-mentioned the 2nd fluid pressure acting surface 18 that above-mentioned the 1st fluid presses the fluid pressure effect useful area of acting surface 17 to set for, this area difference is owing in the path part that is provided with on the valve body 12 in the valve body receiving portion 19a of intercalation at pressing plate 19, the part towards stream 14 in this path part is formed as the 2nd fluid pressure acting surface 18.
Have again,, be illustrated in the embodiment that the axial direction of valve opening moves, much less, also this valve body can be set regularly making above-mentioned valve body 12 at this.
On the other hand, above-mentioned valve member 20 is configured in the valve chamber 11 between above-mentioned supply valve seat 15 and the discharge valve seat 16, selectively opens and closes two valve seats 15,16 by switching on to solenoid part 2 or removing its energising.In order to make this valve member 20 carry out on-off action by this solenoid part 2, on this valve member 20, be provided with and the incorporate pair of push rods 20b of cover 20a that covers on its peripheral part, these push rods 20b is exported to solenoid part 2 sides (with reference to Fig. 2) from be arranged on the hole on the valve body 10 in the position of crossing over discharge valve seat 16, make the movable core 33 of its preceding end in contact solenoid part 2.
In addition, the supply valve seat 15 in above-mentioned valve body 12 around and clamp between the valve member 20 this valve member 20 be pressed to the lifting spring 25 of discharging valve seat 16 sides.The elastic force pressure of above-mentioned lifting spring 25 is no more than the pushing force of pressing the area difference of acting surface 17,18 to produce by the 1st and the 2nd fluid in the valve body 12 on valve body 12.
Above-mentioned solenoid part 2, as Fig. 1～Fig. 3 and Fig. 7 institute clearly expression have like that: as the fixed iron core 32 of fixed magnetic pole member, the coil carrier 30 of coil 31 of reeling on the periphery, surround this coil 31 around and constitute solenoid part shell the square tube shape magnetic cover 34, in this magnetic cover 34 and the magnetic sheet 35 of above-mentioned coil carrier 30 adjacent settings, the intercalation of free sliding ground in the center hole 35a of the center hole 30a of above-mentioned coil carrier 30 and above-mentioned magnetic sheet 35 and be adsorbed on above-mentioned movable core 33 on the said fixing iron core 32.
More particularly, above-mentioned magnetic cover 34 is formed by deep drawing magnetic material (iron plate), the opening portion 34c that have cylindrical portion 34a that section is a rectangle, forms at the occlusive part 34b that the axial direction one of this cylindrical portion 34a is distolateral and this cylindrical portion 34a is integrally formed, at the opposite side of above-mentioned cylindrical portion 34a.On the inner face and outside of this magnetic cover 34, as a part of dissecing the outside among Fig. 7 is represented, form the thin electric insulation overlay film 41 that constitutes by electro insulating material.
Above-mentioned coil carrier 30 has the 30b of tube portion at the above-mentioned coil 31 of having reeled on the periphery, lip part 30c, the 30d that is provided with integratedly on the two end part of the 30b of this.In addition, said fixing iron core 32, have magnetic pole strength 32a at the one end, and have lip part 32b at its other end, the end of this lip part 32b embeds under the state that protrudes a little above the lip part 30c of above-mentioned coil carrier 30 and is fixed in the end of center hole 30a of above-mentioned coil carrier 30.
Above-mentioned magnetic cover 34, its occlusive part 34b contacts and covers this fixed iron core with said fixing unshakable in one's determination 32, with this fixed iron core 32, movable core 33, magnetic sheet 35, forms magnetic circuit around coil 31.
Said fixing unshakable in one's determination 32 and movable core 33, circular or oval by section is done, can more effectively produce magnetic adsorptive power, thereupon, the center hole of coil carrier 30 and magnetic sheet 35 also forms same shape.
Above-mentioned magnetic cover 34 forms all shapes of surrounding said fixing iron core 32, movable core 33, coil carrier 30, coil 31, magnetic sheet 35.At this, the mounting hole 36 of terminal frame 3 is set on the side of this magnetic cover 34, but, can guarantees the antidrip property of water proofing property of solenoid part 2 by cancelling this mounting hole 36 also with other the fluid-tight means fixed terminal frame that does not hinder magnetic cover 34.
In addition, on above-mentioned coil carrier 30, a pair of energising terminal 40 (Fig. 7) of formation to the energising system of solenoid part 2 energising is set, makes its opening distolateral, pass behind the notch part of magnetic sheet 35 outstanding towards magnetic cover 34.
Have, at the ring 37 that the outer distolateral setting-in of above-mentioned movable core 33 is made of synthetic resin, compression is provided with the Returnning spring 38 of movable core between this ring 37 and magnetic sheet 35 again.Above-mentioned ring 37 has the function that makes the stopper that this movable core 33 stops when movable core 33 is about to be attracted on the fixed iron core 32.39 expression sealing materials among the figure are arranged again.
As the method that on above-mentioned magnetic cover 34, forms insulating coating 41, the method that applies epoxy resin on this magnetic cover 34, the method for spraying plating fluororesin, the method for coating pottery, the method for vacuum evaporation (CVD) electro insulating material are arranged, but also be not limited to these methods, also can use other coating method on magnetic cover 34, to form insulating coating.
In addition, in the above-described embodiments, on the inside and outside two sides of magnetic cover 34, form above-mentioned insulating coating 41, also can form this insulating coating by a inner face at magnetic cover 34.
Have again, above-mentioned insulating coating 41, can be formed on the comprehensive or interior outside of the inner face of magnetic cover 34 comprehensively on, also can be on the part of these faces, for example, on the face portion that the member of the such formation magnetic loop of magnetic sheet 35 and fixed iron core 32 etc. contacts, the non-formation 34d of portion of overlay film that does not form insulating coating 41 is set.So, contact or joint magnetic cover 34 and magnetic loop member of formation are compared with the occasion that contacts or engage by insulating coating 41 on the position of the non-formation 34d of portion of overlay film, can reduce magnetic resistance.
Have, the non-formation 34d of portion of above-mentioned overlay film forms by covering in this part enforcement in the time of can forming insulating coating 41 on magnetic cover 34 again.
Simple explanation is carried out in the effect that regards to above-mentioned valve portion 1 down.When above-mentioned solenoid part 2 is in the state of non-energising, shown in the left side half of Fig. 1, the valve member 20 open valve seats 16 of discharging, delivery outlet A is communicated with exhaust port R, is in the state to atmosphere opening.In addition, supply with valve seat 15 by valve member 20 lockings.Under this occasion, the air pressure that flows into the stream 14 of valve body 12 from inlet opening P acts on the 1st and the 2nd fluid pressure acting surface 17,18, but, because the 1st fluid presses the area of acting surface 17 to press the area of acting surface 18 big than the 2nd fluid, so valve body 12 is to the direction displacement that contacts with retainer 21 in the valve body 10, supply with valve seat 15 and to solenoid part 2 energisings the time, be in position near valve member 20, in this position by valve member 20 lockings.
When under this state during to solenoid part 2 energising, shown in the right side half of Fig. 1, movable core 33 is adsorbed on the fixed iron core 32 and the open valve seat 15 of supplying with, close simultaneously and discharge valve seat 16, but owing to supply with that seat 15 is displaced in advance and position that the valve member when switching on 20 is approaching, 33 need of movable core move little stroke and just can be adsorbed, so the attraction force that acts on the movable core 33 becomes big, perhaps, just can produce out the necessary attraction force of valve with small-sized solenoid, can easily open and supply with valve seat 15.
So, when opening supply valve seat 15, because pressurized air is by supplying with 2 sides indoor that valve seat 15 flows into these valve seats, so valve body 12 presses fluid on the acting surface 18 to press to the direction of leaving valve member 20 to move by acting on the 2nd fluid, thus, valve member 20 leaves supplies with valve seat 15, and its opening quantitative change gets bigger, that is, can obtain big flow ground and drive valve.
Secondly, when the energising removed to solenoid part 2, valve seat 15 is supplied with in movable core 33 and locking because the elastic force pressure of Returnning spring 38 resets, simultaneously, and the open valve seat 16 of discharging.Its result is pressed by the fluid of stream 14 to make valve body 12 to valve member 20 side shiftings and contact stopper 21, is equipped with to drive valve in movable core 33 with little stroke.
As Fig. 4～Fig. 6 institute clearly represents, on the valve body 10 that the synthetic resin by electric insulating quality forms, with mating face 10a that above-mentioned solenoid part 2 engages on offer terminal insertion hole 45, coil carrier 30 outstanding energising terminals 40 from above-mentioned solenoid part 2 are being inserted under the state of this terminal insertion hole 45, fixing above-mentioned solenoid part 2 and valve portion 21, both is fixing best as examples such as Fig. 1, be to make the fastening portion 72 of on magnetic cover 34, containing joint-cutting 71 and forming be out of shape the method for fastening on the recess 46 that is arranged on the valve body 10 to the inside.But also can use other means arbitrarily.In addition, when fixing above-mentioned solenoid part 2 and valve portion 1, make sealing component 47, except the part of the mounting hole 36 of above-mentioned terminal frame 3, can form the close state of liquid to solenoid part 2 between between them.
On the other hand, on above-mentioned solenoid part 2, by the 36 fixed terminal frames 3 of the mounting hole on the side that is arranged on above-mentioned magnetic cover 34.This terminal frame 3 is provided with the bump 50a of resiliently deformable on the plastic terminal board 50 that constitutes its base portion, by its pressure being embedded in the above-mentioned mounting hole 36 above-mentioned terminal frame 3 is fixed on the above-mentioned magnetic cover 34, mounting baseplate assembly 51 on this terminal board 50 covers terminal cover 60 thereon.Aforesaid substrate assemblying body 51, the energising terminal 40 extend to above-mentioned terminal insertion hole 45 in is set on the substrate 52 of printed wire and be electrically connected ground contact terminal 53 with it, comprise the energising demonstration with lamp 55 at interior various power circuits with electronic component 54 and be connected in energising plug 56 that the terminal of external power supply uses etc.
Have, above-mentioned terminal frame 3 is also not necessarily leaveed no choice but be installed on the solenoid part 2 again, also can be installed in valve body 10 in the valve portion 1 or it and solenoid part 2 on both.
The above-mentioned contact terminal 53 that is connected with above-mentioned energising terminal 40, by and insert the opening 48 that is communicated with terminal insertion hole 45 valve body 10 from the outside of valve body 10, extend to the part of the energising terminal 40 in the terminal insertion hole 45, form (with reference to Fig. 6) by a pair of resilient contact of flexibly clamping energising terminal 40.In addition, the energising plug 56 that above-mentioned terminal is used is fixed on the substrate 52 and extends in the terminal connection mouth 60a of terminal cover 60.
In addition, above-mentioned terminal cover 60, basically covered and carried all with the baseplate assembly 51 of electronic component 54 grades of various power circuits, by the protruding 50b fastening that is arranged on the terminal board 50 is installed (with reference to Fig. 3) in the 60c of fastening hole, can thickly form all of terminal frame 3 by liquid as required.On this terminal cover 60, not only have the above-mentioned terminal connection mouth 60a that accepts energising plug 56, and the lamp window 60b of transmission of light is set, make it to be positioned at energising and show the outside of using lamp 55.
Have, 62 expressions are used for fixing the screw hole of solenoid valve among the figure again.
In having the solenoid valve of above-mentioned formation,,, also can easily guarantee the insulating properties of solenoid valve even the coil 31 that solenoid valve is used is implemented insulation processing owing on the inner face of above-mentioned magnetic cover 34 or inside and outside two sides, form insulating coating.In addition, owing to do not need with resin-sealed coil 31 or with resin strip coil 31 to be implemented insulation processing, so profile is constant big, the number of working processes number is few during manufacturing.Have again, so owing to form above-mentioned insulating coating need not implemented corrosion-resistant usefulness on magnetic cover 34 surface treatment.
Fig. 8～Fig. 9 represents the 2nd embodiment of solenoid valve of the present invention.This solenoid valve, its magnetic cover 34 be by having opening portion 80b in both sides, the tubular cover 80 of the rectangular cross section of 80c, the magnetic lid 81 of making the rectangle identical with the section configuration of this tubular cover 80 constitute.Above-mentioned tubular cover 80 is by being flexed into magnetic sheet roughly squarely and forming with means lock seaming end 80a such as welding of section.In addition, above-mentioned magnetic lid 81, have the wall thickness bigger, around it, have the stepped part 81a of the width identical, come inaccessible this opening portion 80b by this stepped part 81a being embedded the side's opening portion 80b that is fixed in above-mentioned tubular cover 80 with the thickness of this tubular cover 80 than above-mentioned tubular cover 80.
In addition, on the inner face side of above-mentioned magnetic lid 81, by the fixing fixed iron core 32 of means such as welding as the fixed magnetic pole member, in the center hole 30a of these fixed iron core 32 insertion coil carriers 30 up to its substantial middle portion.Have, in this embodiment, fixed iron core 32 is respectively to be integral with magnetic lid 81 again, but also can be made of one fixed iron core 32 and magnetic lid 81.
On tubular cover 80 that constitutes above-mentioned magnetic cover 34 and magnetic lid 81, the same with above-mentioned the 1st embodiment's occasion, they inner face or inside and outside two sides on form above-mentioned insulating coating 41.Under this occasion, above-mentioned tubular cover 80 and magnetic cover the part of fixed iron core 32 contacts of the inner face of part that the magnetic sheet 35 of inner face of part, the tubular cover 80 of 81 contacted above-mentioned opening portion 80b and stepped part 81a contacts or magnetic lid 81, are preferably made the non-formation of the overlay film that insulating coating 41 is not set portion.
The above-mentioned formation in addition of embodiment among Fig. 8～Fig. 9 is owing to the embodiment with Fig. 1～Fig. 7 that illustrates does not previously change, so the part identical or suitable with this embodiment's occasion given identical symbol and omitted its explanation.
According to Fig. 8～embodiment shown in Figure 9, magnetic cover 34, owing to have with other all-in-one-piece magnetic and cover 81 obturations to the curling magnetic sheet of a direction and engaged the structure of side's opening portion 80b of the tubular cover 80 between its opposed end, so what kind of shape no matter the section of magnetic cover 34 be, can reduce the waste of material, can be simply and low cost make.
Figure 10 represents the 3rd embodiment of solenoid valve of the present invention, in this embodiment, and than the big magnetic lid 81 of the wall thickness of tubular cover 80, double as fixed magnetic pole member 32.The inner face of this magnetic lid 81 is smooth, forms magnetic pole strength 81b.Thereby, need not have the fixed iron core that above-mentioned the 2nd embodiment is made of other member like that.
And the end of movable core 33 arrives the end that magnetic covers the coil carrier 30 of 81 sides in the center hole 30a of coil carrier 30, by power-on servicing to coil 31, with respect to the magnetic pole strength 81b that on the inner face of magnetic lid 81, forms connect from.Have, this magnetic pole strength 81b can make the non-formation of the overlay film that does not form insulating coating 41 portion again.
Above-mentioned the 3rd embodiment's above-mentioned formation in addition is owing to the 2nd embodiment with Fig. 8～Fig. 9 that illustrates does not previously change, so the part identical or suitable with the 2nd embodiment's occasion given identical symbol and omitted its explanation.
According to above-mentioned the 3rd embodiment, not only can reduce part number but also owing to do not need the 2nd embodiment of the 1st embodiment of image pattern 1～Fig. 7 and Fig. 8～Fig. 9 such, make the central shaft of the center hole 39a of the central shaft of fixed iron core 32 and coil carrier 30 carry out intercalation involutoryly, so the assembling of solenoid part 2 becomes easier.
Solenoid valve of the present invention according to above detailed description, even do not implement insulation processing on coil at solenoid valve, also can easily guarantee the insulating properties of solenoid valve, can provide profile constant big, the solenoid valve that the number of working processes is few, have again, can provide the insulation processing that effectively to utilize the magnetic cover to omit the surface-treated solenoid valve of the anti-corrosion usefulness of magnetic cover.
Claims (7)
1. a solenoid valve comprises valve portion (1) and solenoid part (2), and above-mentioned valve portion (1) comprises and valve seat (15,16) connects from the valve member that switches stream (20), and above-mentioned solenoid part (2) is used to drive above-mentioned valve member (20), it is characterized in that,
Above-mentioned solenoid part (2) comprising: the fixed magnetic pole member, on periphery, the reeled coil carrier (30) of coil (31), surround this coil (31) around and constitute the magnetic cover (34) of tubular of the gabarit of solenoid part (2), be adjacent to be arranged on the interior magnetic sheet (35) of this magnetic cover (34) with above-mentioned coil carrier (30), the intercalation of free sliding ground is at the center hole (30a that connects this magnetic sheet (35) and above-mentioned coil carrier (30), 35a) and be adsorbed on movable core (33) on the said fixing pole pieces
On the inner face at least among the inside and outside two sides of above-mentioned magnetic cover (34), be coated with electric insulation overlay film (41) integratedly.
2. solenoid valve as claimed in claim 1 is characterized in that, above-mentioned electric insulation overlay film (41), and any method that is applied epoxy resin, spraying plating fluororesin, coating pottery, vacuum evaporation electro insulating material by magnetropism cover (34) forms.
3. solenoid valve as claimed in claim 1, it is characterized in that, the said fixing pole pieces, it is a fixed iron core (32) on distolateral that embeds and be fixed on above-mentioned coil carrier (30), in addition, above-mentioned magnetic cover (34) is made tubular, distolaterally has the occlusive part (34b) that contacts with said fixing iron core (32) integratedly, distolaterally has an opening portion (34c) at another at one of its axis direction.
4. solenoid valve as claimed in claim 1, it is characterized in that, above-mentioned magnetic cover (34) is by having the tubular cover (80) of opening portion (80b, 80c) at axial two ends and being used for magnetic lid (81) formation of inaccessible one side opening portion (80b), in addition, the said fixing pole pieces, be the fixed iron core (32) that is fixed on the above-mentioned magnetic lid (81), be inserted in this fixed iron core (32) in the center hole (30a) of above-mentioned coil carrier (30).
5. solenoid valve as claimed in claim 1, it is characterized in that, above-mentioned magnetic cover (34) is by having opening portion (80b at axial two ends, the magnetic lid (81) of tubular cover 80c) (80) and inaccessible one side opening portion (80b) constitutes, this magnetic lid (81) has the big wall thickness of thickness than above-mentioned tubular cover (80), and double as said fixing pole pieces.
6. as each described solenoid valve of claim 1 to 5, it is characterized in that, above-mentioned magnetic cover (34), the surface of contact that contact with the member that constitutes magnetic loop or with the mating face of the member engages of formation magnetic loop on, have the non-formation of the overlay film portion (34d) that does not form above-mentioned insulating coating (41).
7. as each described solenoid valve of claim 1 to 5, it is characterized in that (30a, the section configuration of section configuration 35a) and above-mentioned movable core (33) is oblong shape or elliptical shape to the center hole of above-mentioned coil carrier (30) and magnetic sheet (35).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP323102/2002 | 2002-11-06 | ||
| JP2002323102A JP4096029B2 (en) | 2002-11-06 | 2002-11-06 | solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1499112A CN1499112A (en) | 2004-05-26 |
| CN1329683C true CN1329683C (en) | 2007-08-01 |
Family
ID=32171339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101141418A Expired - Fee Related CN1329683C (en) | 2002-11-06 | 2003-11-05 | Electromagnetic valve |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7004450B2 (en) |
| JP (1) | JP4096029B2 (en) |
| KR (1) | KR100523368B1 (en) |
| CN (1) | CN1329683C (en) |
| DE (1) | DE10350790B4 (en) |
| TW (1) | TWI229169B (en) |
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| JP4131160B2 (en) * | 2002-11-08 | 2008-08-13 | オムロン株式会社 | Electromagnetic relay |
| US6976666B1 (en) * | 2004-05-18 | 2005-12-20 | Many A Enterprise Co., Ltd. | Electromagnetic valve assembly for controlling airbag |
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| KR20060084625A (en) * | 2005-01-20 | 2006-07-25 | 주식회사 아셀텍 | Solenoid valve |
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| JP2006266375A (en) * | 2005-03-23 | 2006-10-05 | Smc Corp | Solenoid valve |
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| US9140224B2 (en) * | 2005-06-17 | 2015-09-22 | Caterpillar Inc. | Electromagnetic actuator and method for controlling fluid flow |
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| KR101023673B1 (en) * | 2005-12-12 | 2011-03-25 | 주식회사 만도 | Solenoid valve for brake system |
| DE102006004095B4 (en) * | 2006-01-28 | 2009-03-12 | Robert Bosch Gmbh | Electro-pneumatic seat valve, in particular pilot valve |
| DE102006009690B4 (en) * | 2006-03-02 | 2009-05-07 | Robert Bosch Gmbh | Electro-pneumatic seat valve, in particular for use as a cartridge-type pilot valve |
| US8002206B2 (en) | 2006-12-29 | 2011-08-23 | Caterpillar Inc. | Avoidance of spark damage on valve members |
| JP4453044B2 (en) | 2007-06-18 | 2010-04-21 | Ｓｍｃ株式会社 | solenoid valve |
| DE102009047525A1 (en) * | 2009-12-04 | 2011-06-09 | Robert Bosch Gmbh | Electromagnetically actuated valve |
| JP5560425B2 (en) | 2010-02-17 | 2014-07-30 | Ｓｍｃ株式会社 | Solenoid for solenoid valve |
| DE102010055212A1 (en) * | 2010-12-20 | 2012-06-21 | Svm Schultz Verwaltungs-Gmbh & Co. Kg | Electromagnet with a connection area |
| DE102011086316A1 (en) * | 2011-11-14 | 2013-05-16 | Robert Bosch Gmbh | Electroless open or closed magnetic valves for e.g. anti-skid system, have cover connected with cladding that is arranged within magnetically conductive housing and wrapped on region of valve assemblies, where region acts as carriers |
| HUE031216T2 (en) * | 2011-12-01 | 2017-07-28 | Svm Schultz Verwaltungs-Gmbh & Co Kg | Electromagnetically actuated valve |
| US8783653B2 (en) * | 2012-12-21 | 2014-07-22 | Mac Valves, Inc. | Multi-port modular valve with snap-in seat |
| US9482360B2 (en) * | 2013-07-15 | 2016-11-01 | Parker-Hannifin Corporation | Miniature high performance solenoid valve |
| US9677523B2 (en) * | 2014-05-30 | 2017-06-13 | Cummins Inc. | Fuel injector including an injection control valve having an improved stator core |
| JP6277084B2 (en) * | 2014-08-20 | 2018-02-07 | 株式会社コガネイ | solenoid valve |
| CN105987216A (en) * | 2015-01-28 | 2016-10-05 | 宁波市鄞州枢融电子有限公司 | Integrated pilot head component |
| DE102016107661A1 (en) * | 2016-04-25 | 2017-10-26 | Kendrion (Villingen) Gmbh | Electromagnetic actuator with D-shaped coil for 2-pin actuator |
| US10871242B2 (en) | 2016-06-23 | 2020-12-22 | Rain Bird Corporation | Solenoid and method of manufacture |
| JP2018076941A (en) * | 2016-11-11 | 2018-05-17 | アズビルＴａｃｏ株式会社 | solenoid valve |
| US10980120B2 (en) | 2017-06-15 | 2021-04-13 | Rain Bird Corporation | Compact printed circuit board |
| US10473229B2 (en) | 2017-09-25 | 2019-11-12 | Mac Valves, Inc. | Diaphragm valve |
| US11503782B2 (en) | 2018-04-11 | 2022-11-22 | Rain Bird Corporation | Smart drip irrigation emitter |
| US20200043641A1 (en) * | 2018-08-06 | 2020-02-06 | Hamilton Sundstrand Corporation | Electromechanical solenoid with armature having cross-sectional shape that restricts armature rotation |
| JP7041414B2 (en) * | 2018-10-31 | 2022-03-24 | Smc株式会社 | solenoid valve |
| TWI684720B (en) * | 2018-12-12 | 2020-02-11 | 張睿彬 | Solenoid valve and manufacturing method for the same |
| US11721465B2 (en) | 2020-04-24 | 2023-08-08 | Rain Bird Corporation | Solenoid apparatus and methods of assembly |
| JP7523249B2 (en) * | 2020-04-27 | 2024-07-26 | 川崎重工業株式会社 | Valve mechanism |
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- 2003-10-17 US US10/686,559 patent/US7004450B2/en not_active Expired - Fee Related
- 2003-10-29 DE DE10350790A patent/DE10350790B4/en not_active Expired - Fee Related
- 2003-11-05 KR KR10-2003-0077934A patent/KR100523368B1/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| DE10350790B4 (en) | 2007-01-04 |
| JP2004156709A (en) | 2004-06-03 |
| TW200415321A (en) | 2004-08-16 |
| KR100523368B1 (en) | 2005-10-20 |
| CN1499112A (en) | 2004-05-26 |
| DE10350790A1 (en) | 2004-07-29 |
| JP4096029B2 (en) | 2008-06-04 |
| US7004450B2 (en) | 2006-02-28 |
| TWI229169B (en) | 2005-03-11 |
| KR20040040382A (en) | 2004-05-12 |
| US20040084649A1 (en) | 2004-05-06 |
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Granted publication date: 20070801 Termination date: 20121105 |